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°Ô½ÃÀÏ : 2019.09.24

 [°­³²YBM ÅäÇÃ] ¹èÁÖÀº½ÜÀÇ ÅäÇùè°æÁö½Ä –  Çö¹Ì°æ

 

 

Çö¹Ì°æÀÇ ³¡¾ø´Â ÁøÈ­¸¦ ÀÌ·ç¾î ¿Ô½À´Ï´Ù.

±× Áß, light microscope¿Í electron microscope¿¡ ´ëÇÑ Áö¹®ÀÌ ½ÃÇè¿¡ ³ª¿Ô½À´Ï´Ù.

µÑÀÇ Â÷ÀÌÁ¡Àº ¹«¾ùÀÏ ±î¿ä??

 

¼ÖÁ÷È÷ µÑ´Ù unaided eyes·Î º¼ ¼ö ¾ø´Â °ÍÀ» º¼ ¼ö ÀÖ°Ô µµ¿ÍÁÖ´Â ±â°è¶ó´Â Á¡Àº °°½À´Ï´Ù.

ÇÏÁö¸¸ electron microscopeÀº ºûÀ» »ç¿ëÇÏÁö ¾Ê°í ÀüÀÚ¸¦ »ç¿ëÇÕ´Ï´Ù.

ÀÌ°Å ¸»°í ¶Ç ´Ù¸¥ Â÷ÀÌÁ¡ÀÌ ÀÖÀ» ±î¿ä. 

What is the difference between the light microscope and the electron microscope?

Light Microscope- ¿ì¸®°¡ ÈçÈ÷ °úÇн𣿡 º¸´ø Çö¹Ì°æÀÌ¿¡¿ä.

 

A light microscope uses a light source

but an electron microscope has beams of electrons focused by magnetic lenses.

The major difference in practice is resolution:

 

°¡Àå Å« Â÷ÀÌ´Â ÇØ»óµµÀÔ´Ï´Ù.

The amount of detail that can be discerned in the image.

 

¹Ù·Î À̹ÌÁö¿¡¼­ ¿ì¸®°¡ ±¸º°ÇÒ ¼ö ÀÖ´Â µðÅ×ÀÏÀÌ ¾ó¸¶³Ä¶ó´Â °ÍÀÌÁÒ.

Under optimal conditions, (excellent lenses, oil immersion) the resolution of a light microscope is about 0.2 micrometers (or 0.000,000,2 meters or 2 thousandths of a millimeter). Objects that are closer together cannot be detected as separate.

 

¾Æ¹«¸® ÀÌ»óÀûÀÎ Á¶°ÇÀÌ¶óµµ light microscopeÀÇ Çػ󵵴 0.2 ¸¶ÀÌÅ©·Î¹ÌÅÍÀ̱⠶§¹®¿¡, °¡±îÀÌ ºÙ¾î ÀÖ´Â »ç¹°À» ±¸º°Çؼ­ ¾Ë¾Æº¸±â°¡ ÈûµéÁÒ.

The resolution of an transmission electron microscope is about 0.05 nanometers (or 0.000,000,000,05 meters or half of 1 millionth of a millimeter). This means that the electron microscope has about 10,000 times the resolving power of the light instrument, and can therefore show far greater detail, for example of subcellular structure.

 

ÇÏÁö¸¸ electron microscope°°Àº °æ¿ì¿¡´Â Çػ󵵰¡ 0.05 ³ª³ë¹ÌÅͳª µÈµ¥¿ä.

±×¸»Àº electron microscopeº¸´Ù ¸¸¹è³ª ´õ Çػ󵵰¡ ³ôÀº °ÍÀ̶ó°í Çϳ׿ä.

±×·¡¼­ ¼¼Æ÷º¸´Ù ´õ ¾Æ·¡´ÜÀ§ÀÇ »ç¹°µéÀ» °üÂû ÇÒ ¼ö ÀÖ´Ù°í ÇÕ´Ï´Ù.

 

Another difference of importance to biologists is that light microscopes (there are several kinds, such as bright field and phase contrast) enable the viewer to watch living cells. The electron microscope produces an image of the shadows cast by atoms of heavy metals used as stains; the living tissue is destroyed by the intense beam of electrons.

 

¶Ç ÇϳªÀÇ Å« Â÷ÀÌ´Â light microscopes À¸·Î´Â »ì¾ÆÀÖ´Â ¼¼Æ÷¸¦ º¼ ¼ö ÀÖÁö¸¸ electron microscope ¿¡¼­´Â »ì¾ÆÀÖ´Â Á¶Á÷µéÀÌ °­¿­ÇÑ ÀüÀÚ »ì¿¡ ÀÇÇØ Æı«µÈ´Ù°í ÇÕ´Ï´Ù.

 

 

 

 

 

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